You'd think that, but it actually kicked me out for hours and said I had reached my limit mid-afternoon lol.
I'm back in now, but I'm not sure for how long since apparently I can reach 600 before I know it (unless it was just a bug that kicked me out).
I see.. probably that’s why I kept seeing posts on other social media that Twitter is broken? But I can access mine. Probably they reached their 600 already and didn’t realised it..