(this is like really long Whoops. i never manage to not infodump when i talk about roblox)
for me: i Didnt really like it, the only reason why i was playing it was because i wanted the cool looking blue bucket hat, the only games i remember are dress to impress, restaurant tycoon 2, adopt me, clip it, and bee swarm simulator (which i only experienced playing after the event ended because onett kept it in)
i know everyone said this upon finding out what games were in the event, but the games didnt feel appropriate for the event, the oldest games in the event were like. adopt me and bee swarm (which came out in 2017 and 2018 respectively), not to mention, a bunch of the games just felt like they slapped something "classic" onto an already existing feature in their game and called it a day, i really wish they included far older games like work at a pizza place and natural disaster survival
also i absolutely hated restaurant tycoon 2's part of the event because it was mostly afk'ing, on my second time playing on another account im pretty sure i just avoided it altogether, it was grueling, and the only things i remember being even remotely "classic" were the customers and some other thing i forgot
now, i didnt experience the ending of the classic event, but it did not seem to be well received, there was no prize, and judging from a video i looked up, the "boss fight" was pretty boring and easy looking, the only thing that happens after is a credits sequence, so i get why people were disappointed
if i had to rate the event id give it a 2/10, bee swarm saves it from being a 1 since i liked that part at least, despite playing it after the classic event ended