I can already do that on LineageOS 21 (Android 14), no rooting required.

Snake case and kebab case mixed arbitrarily.

I (luckily) haven’t had much experience using autotools, but I do suppose it was no coincidence that the injection was initiated there. I really like the comparison that was made in the post of the Meson maintainer you linked:

Several “undefeatable” fortresses have been taken over by attackers entering via sewage pipes.