I went trough all this too. The thing about gaviscon, etc is that while, yes, the alleviate symptons only, the can be the diierence between sleeping for a week and not. i used
ppi for two years to combat some really bad issues, then weaned off them and only use occasionally.
The truth was though, the stomach do was sooo not progressive on addressing diet. only cared about meds.
Im also on oxy and typing lefty right now so fuck correcting typos