This seems to be the most popular assumption so far although it sounds wrong. As I've said before this type of attack (unlike the previous forms) creates an incentive to spam so the attackers may not care about the cost while regular users sending bitcoin around do. That incentive is the scam market that is being built around the Ordinals Attack.
The logic is similar to the withdrawal fee people pay exchanges. Normally you'd say 50k-100k satoshi fee for a bitcoin transaction is outrageously high and yet you'd pay it to withdraw your coins from the exchange simply because there is an incentive to send your coins there in first place (profit from trading) hence that amount doesn't seem that high.
That's the real issue. Thanks for highlighting that. Even though fees can increase with every NFT inscription, scammers can still profit by selling their NFTs at a high price on the market. Most people don't do their own research when investing into crypto or NFTs themselves, so they will get scammed big time.
I think it would've been better for Ordinals to live on a Layer-2 scaling solution such as the Lightning Network just to avoid adding further pressure to the main Bitcoin blockchain. Maybe nodes/miners will ultimately reject transactions with Ordinals inscriptions for the good of the network itself? I really hope BTC stays cheap and fast to use (sort of) for day-to-day payments. Otherwise, it'd become completely unusable. No one can predict the future, so we can only hope for the best. Just my opinion
