I was 22 when this thread was created, holy cow.
In the spirit of staying on topic though, I for some reason can't stand the process of rehydrating yeast, mostly because getting the timing right with pitching, getting the yeast down to pitching temp, being extra careful with sanitation with the water and beaker, not letting rehydrated yeast sit for too long, etc. just adds a layer of stress to my brew day. I'd honestly much rather pitch directly but I'm paranoid about diacetyl since I had a long standing battle with that foe which I only recently overcame.
While starters with liquid yeast take time and sanitation too, on brew day I can just pop my flask out of the fridge, decant, swirl and pitch the sucker when the time is right. It's just so much more convenient.
Though admittedly I'm probably also at the point again where I wouldn't mind pitching a dry satchel directly again to see how the beer turns out. I miss my S-04, Notty and US-05.