I've seen this myself on the .NET side. Someone will create an MVC application then rip all the views out and tag everything with a decorator that turns those c

I've seen this myself on the .NET side. Someone will create an MVC application then rip all the views out and tag everything with a decorator that turns those controller endpoints into API endpoints, then slap Angular or React on top of that. More recently I've seen Web APIs created which explicitly lack any front end integration (this is what we do at $DAYJOB when .NET makes sense).