Tire weight and size vs acceleration/power loss.

So with the majority of aftermarket tires, radials at least, being a good amount heavier than the stock setup, I was wondering where Power loss starts to come into play. In some setups your adding 30 plus pounds of rotational mass to your machine, are the advantages really that great to where guys want to sacrifice motor performance for the better grip of heavy tires? What do you guys think? I know some of you guys run tire setups that added quite a lot of extra weigh to your machines, I’m interested to know the pro and cons.

Also was wondering about tire height vs tire weight. If you have a tire that’s taller, but lighter than a tire the next size down, which one cause the most loss in power or acceleration? The taller tire in theory should provide taller gearing correct, but the smaller tire weighs more.