Yup, wishful thinking. Maybe it won't technically "last", but it could easily take years until they run out of funds to spam, and that's all they need...
I doubt these ordinals geeks who loves nft (now BRC-20) that earned them good money would stop as long as they keep earning from the trend of it. So maybe we are talking about a long time problem here for the bitcoin community as these high fees wouldnt regress for a while. It will go down but some folks are now spamming on socials on how good profits are being drawn on brc20. Ive saw some airdrops being posted on twitters with dozens of feed and comments. Crazy it is!