I have no complaints at all with my Ram 1500. No sway issues, truck rides nice, plenty of power.
If I was towing cross country often, I'd definitely have a 2500. No question a 2500 will tow a trailer easier. I daily drive my truck, so a 2500 was out of the question for me. I tow maybe 10 days a year, I didn't want to sacrifice ride and fuel economy for the other 355 days a year.
My Cousin's 2013 hemi Ram 2500 empty rides as rough as my 2013 Ram hemi 1500 loaded and towing my trailer. Since 99% of my driving is empty without a trailer, I chose the 1500.
I wouldn't ever criticise anyone who did choose a 2500 to tow, just for me a 1500 was a better fit.