I think it is, but it's a worthwhile point to reiterate. It's also worth pointing out that it can be worth doing a rewrite to a less scalable architecture if it simplifies the architecture and provides more flexibility.

The company I work is currently undergoing a similar rewrite from firebase to Postgres (although we're doing a gradual migration), and it's amazing how much code we have been able to throw away, and how much quicker we can move in the parts of the code that have been migrated.