The best answer is: do what you believe is right for you.
[stepping up onto my soapbox]
Like tow limits, tongue weights, leveling methods, gas vs diesel, 1 vs 2 batteries, 12 vs 6 volts, etc. there are no totally write/wrong answers. Just what seems to be right/wrong to you.
Frankly, folks will do as they please (because they believe they are right - or because they haven't given it much thought - or think it doesn't deserve much thought) and generally do not take kindly to kibitzers - no matter how well intentioned we may be. (You deserve to understand why I'm right and you're wrong. . .
To some the only real
speed limit in this world is the speed of the rig in front of them.
Others (like myself) like to over-analyze the available information to justify their original position/opinion - don't overtax those tires!
Others actually do know what they are talking about. (Just ask them - they'll tell you they know what they're talking about.
There are still others doing stuff I don't understand at all.
So - I return to the beginning - do what you feel is right for you.
But don't get PO'd when you get flipped off some day for going too slow, too fast, too something or other. . .
Hey! We're all just trying to have fun, right?
[getting booted off my soapbox]