"ultra-potent weed" is weak and you need to stop with that talking point. SWIM are on 90%+ THC cartridges or concentrates 24/7. Smoking the strongest weed, low 30%s, is a tolerance break thing or for fun.
Nearly all are all symptoms of depression, delusions with manic depression. Nearly all are symptoms of being stoned too.
It's unlikely you were experiencing schizophrenia unless you were actually hearing voices, thinking that you were a "Targeted Invididual", things like that.