that's why i'm against any off-chain shit, like LN and other crap like sidechain, capacity can be resolved in another way, via heavy optimization for example

The most people with Bitcoin are hoping that the halving will be nice and that is because the value of the Bitcoin was already stable for a long time so that have now to recover and will slowly rise and that is nice.
But of course you cant control it and it will be really hard to know what the value will be some people even said that it wont rise in the halving.

The halving can come in soon but there has to be a price rise before that is going to happen other wise the price is going to be low. That is not a bad thing because then we can buy much more coins then at the moment.

I highly doubt the fees will be enough to keep companies mining BTC...

You are exaggerating. About 50 btc per day is currently paid in transaction fees.  Somebody is going to mine in order to earn those fees.


I don't think that is necessarily true either because there is a tragedy-of-the-commons problem, as in "I'll let someone else worry about miners getting paid".

The core issue is that the security against a 51% attack equals the cost of mining, which depends on mining revenue. If mining revenue is low, then the security will be low as well.

The only scenarios that will keep the fees (and thus security) sufficiently high are a limit on the block size that induces bidding on space in the block, a very large number of transactions paying 1 satoshi each (requiring an unlimited block size), or something in between.

A lot of blocks are already nearing 1 BTC in fees anyway, and it's only to grow further over time.

The only discussion would be about how sensible it would be to compensate for lost coins, if necessary.

Now that we have established that fees will be enough to keep companies mining BTC, the issue is how much revenue is enough to secure Bitcoin. You seem to be assuming that the current cost of mining BTC is the minimum necessary, but I don't think that is true. I also don't think that 50 BTC per day is enough, so total fees will have to rise as the subsidy falls at some point, whether by increasing the fee per transaction or by increasing the number of transactions, or both.

I think a small amount of every fee should be pooled, and some how miners, address holders vote on upgrades/ paying for fixes.

The most people with Bitcoin are now waiting for a higher value and that is because they know that there will be more people that is going to have some profit soon.
But of course it will be really hard to know what the value will bring of Bitcoin but that is the risk that you should take.