Lightning was made possible through SegWit, not Taproot.
Taproot only came much later and had unexpected consequences already with the Ordinals spam.
Don't try to have your merge and splurge and purge on Bitcoin. We don't want that and we don't need that. Main chain needs to ossify, any changes to the base layer should be vetted thoroughly and for a very long time. Drivechains won't happen imo.