I couldn't tell you the difference between a Revo shaft and a turd - hell, there may be no difference.
Commentators aren't there to talk about equipment and why should they know what it looks like??? Just because the people on here run out to buy every new gadget that comes along, others don't. Nothing wrong with either side, and that's what keeps $$$ coming into pool, but don't expect it.
The other thing to remember is that there are no Professional commentators that do this every weekend like baseball, basketball, etc. it's not their fault that there isn't a pro tour or that it doesn't pay enough to sit at home and learn all this stuff that could come in handy.
ON THE OTHER SIDE
Personally I think every player should fill out a questionnaire about themselves, their equipment, and their sponsors. The sponsors could attach a little info about their product and it could be another thing to talk about during ANY match - if this became standard, I feel that all streams would be a better product. Let's face it, during or after every stream, somebody asks what about xxxxx's new cue, or what about those balls, the chalk on the table, and on and on.
I've reached my limit for writing lol
Jason