Very annoying for you. Is it correctly understood that Oracle offer a free tier instance with 24 gigs memory? That sounds too good to be true comparing to other vendors.
That sounds crazy desperate from Oracle’s side to lure in customers from larger cloud providers and avoid getting sucked further into irrelevance. Better to pay up and get a proper dedicated instance that you control (I use Hetzner dedicated servers and they are great).
Disclaimer - I don’t work for Hetzner.
They moved late into the game, and have to compensate their tardiness and generally low appeal with incredibly generous allocations. They can always pull that back later when they feel like, after all, like OP found out today...
The caveat is that you must be able and willing to use an ARM processor. Their x86 based always free offering is only 2GB. GCP'S always free x86 is only 1GB.