XYZ is not "overpowered compared to AWS/Firebase/flavour of the month service".
You just can't (or won't) do 10 minutes of back of the envelope calculations.
Shaved off 1% of the binary size by rewriting ~50 lines (a fraction of a fraction of a percent of the total) of template code with no loss of functionality. Wondrous technology.
When someone offers to introduce random bits of Go, Rust, Java, and so on because "it's the right tool for the job" but in 5 years you'll have to track 10 toolchains instead of 1...
You can just say
No