Fair point, Taro needs more time... Fingers crossed it'll now move faster with all the interest in it!
However, both RGB and OmniBolt are essentially ready.
Regarding adoption: IMO it's the other way around. There wasn't a lot of incentive to adopt Segwit, because during the bear-market blocks were empty most of the time. No need to save space if there's a ton available.
With regards to taproot adoption; Honestly, for the first time, there's actually a strong incentive to adopt a token protocol because it solves a huge pain point.
Being able to send USD stablecoins around the world in an instant, and effectively for free is a tremendous product/use case. You completely kill any remittance company and save 20%+ per transaction.
Also, it's important to point out that only apps/nodes/wallets that want to use e.g. USDT need to adopt RGB/Taro/OmniBolt. All other routing nodes in-between don't need to care about this at all.
I think adoption will be faster– in places where it counts! (wallets)
(Also, Omnibolt doesn't need taproot)