If you're reading 6/8 as two beats per bar, then your feel is going to suck. If you're reading 12/8 as 4/4, then your feel is going to suck. It's maybe a handy shortcut to break a bar down that way, but you *have* to feel all of those 8ths.What have I said that contradicts anything that wikipedia, that font of all human knowledge, has to say on the subject? If anything you've just proved my point. At no time did I say all, I said conventionally. Which means that, unless otherwise indicated on the score (and composers do have to bend the rules from time to time), any trained musician, myself included, will, by default, read 6/8 as two to the bar, 3 for 9/8, etc...
The point I've been consistently making to you is that the time signature means something - there are reasons why we use 6/8 instead of 2/2 or doubles of 3/4. There are reasons why we use 12/8 instead of 4/4. Specifically, one of those reasons is bpm - particularly relevant to this thread.
However, *you* quoted *my* post. Why was that, exactly? If someone asks me at what bpm I can play 16ths, the time signature is pretty important, no? BPM will be significant to 8ths if the time signature is in 6/8 or 12/8 - not dotted quarter notes, unless that is specifically called out at the top of the chart.