If you're thinking you can blame this to ordinals, you can go out there and find some other reason, people have already woken up from the Ordinals hype and as of the moment I don't think they do much bearing to the network congestion problems anymore, if any at all.
The current congestion issue can be attributed towards the large amount of transactions most of which are sell transactions within the crypto industry, a lot of these transaction coincides, and while they still go through at the average time expected, they are still stalled for quite a good amount of time and as a result some are left paying a little bit more than the usual, but nothing out of the ordinary here.
If you're already complaining about this, wait until you get to the halving crash, where people are expected to really go all out on the sells, we'd see something in the likes of ordinals right here lol, and I wouldn't be surprised if you go nuts about this lol.
I think you might not be too far from the truth but I think the Ordinal hype although has died down a bit still seems to be around probably would be here till after the bull run. If you check the DdmrDdmr site for
ordinals weight percentage in block you will see them taking at least 40% of the block weight which signifies they are very much causing the congestion too. You can also check the mempool.space and on each blocks you will find dust amount of transactions which are for ordinals in there.
The congestion is yes due to FUD around the market crash that happened but there is not significant evidence that Is selling that is happening, could be a movement to a safe wallet, because since the market drop the last 30 hours or so have seen the price of bitcoin in a ranging pattern rather than falling if it were to be selling happening