I do like these yoga pants, but they are not without flaws as others have stated.  I have purchased them 4 times (over many years), so obviously the flaws are not stopping me, but they might stop some people.  They last pretty long - I found a few small holes in the seams of the first pair I bought (4ish years ago), but they have been worn HEAVILY and during my pregnancy (in which I weighed more, of course, putting more pressure on seams).  So, I think they are worth the money.

They are quite long, absolutely.  But I've found many other brands end up being too short and sitting above my ankles which is worse - I'd rather they be long. I just cut off the ends (they are knit so they won't really fray, though they will 'roll' a bit, so cut them longer than you think you want them).  I just whip stitched the seams, so they don't come apart.  They've been washed numerous times this way and no problems.  Yes, it's a little extra work but I'd rather that than a pair that shrink so much in the wash that I can't wear them again due to being too short.

The waist-band is somewhat tight, yes.  When I was heavier, I did get 'muffin top' and I did have to fit them under my belly when pregnant, but once I slimmed down to my 'usual' size, they are fine.  I did get a smaller size at one point (thinking positive) but they were to tight - but the return was easy and fast, so not a problem.

So, while not without flaws, I'd recommend these as a good option.  Especially if you live in them, as I do.