Even though I like to hodl, sometimes it's just very convenient to pay in BTC.
You should check the collectibles board, most auctions and deals are paid in BTC.

Personally I have used BTC to use a food-delivery service, pay some smaller online purchases (mostly via Bitpay) and even once paid at a local coffee shop that accepted some crypto.
All are easy and convenient experiences.

Don't you think that paying for a cup of coffee with half of the price and spending another half to the fee is a bit overwhelming experience after all? What is the fee change since the time of Great Pizza Buy? Is it declining?

This is the pizza transaction: https://mempool.space/block/57043

Total fees: 0.99 BTC

That's quite a large fee. Nowadays you can pay close to zero with lightning, or on-chain here's a recent transaction for about $5 (a coffee) with a fee of 20 cents or so: https://mempool.space/tx/8fe16f5e9aee05dcac630f01b9b184f9e00b3dfab5ee2142cdfcdbb930d3490a

That's actually less than the fees credit cards impose on sellers (30c plus 2.9%)

I did use bitcoin a lot to buy goods many years ago and also tried many times to get the community to use bitcoin more in real live, but this failed quite hard. What is the general issue of the community is that people here are greedy AF. They want to have bitcoin and have a good ecosystem, but the want not to spend a single bitcoin (except for gambling maybe).THis will be the downfall of bitcoin at one day Im very sure of that, but thats what the community wants.

Well, some businesses have started accepting Bitcoin as a form of payment, and in some cases, customers can even use BTC to buy things like groceries or electronics. In my opinion, this is a great way for people to get more involved in the cryptocurrency market and start using their digital assets in a more practical way.

However, there are also some challenges to this approach. For example, the value of Bitcoin can be highly volatile, meaning businesses and consumers need to be prepared for fluctuations in the prices of goods and services. Additionally, there are still several legal and regulatory issues that need to be resolved before Bitcoin can become a more mainstream form of payment.

I think, one potential solution to this challenge is for businesses and consumers to use stablecoins, which are cryptocurrencies pegged to the value of traditional currencies such as the US dollar. This can help mitigate some of the risks associated with using Bitcoin for everyday transactions, while still allowing people to take advantage of the digital currency's benefits.

I manage to purchase a premium spotify and netflix account using Bitcoin on a local seller in our country. I don’t what’s his total revenue but he is keeping his Bitcoin as in his wallet. He has a lot of customer here in our country since this account is in demand due to its cheap price compared to the original account. He gets the account using CC trick to purchase the account subscription then he will resell it using Bitcoin as mode of payment.

I believe he already earned a hefty amount of money since he is doing this kind of business since 2017 when Bitcoin become popular here in my country.

I agree with you completely, Bitcoin, whether as a legal tender or means of payments for goods online is still the same thing, Bitcoin right now is the best means through which we can pay for goods even outside our country of origin, and have whatever we paid for shipped to our doorstep easily.
The other day, I wanted to buy a wrist watch from Aliexpress, I was ready to make payment in bitcoin but was very disappointed that the supplier does not yet accept bitcoin payments, but on the other hand, I am not bothered for I know that it is just a matter of time, they will all embrace bitcoin payments.

It is difficult to talk about specific income, because it is too individual. But from personal experience I can say that I pay my hosting provider services via BTC, as well as some subscriptions.