I have been reviewing on TA for a couple of years now.
Whenever I read reviews for hotels in Europe, I find a portion of negative reviews are from North Americans who are unimpressed at the size of their rooms more than anything else. So in my mind, that isn't a legitimate gripe unless you were told ahead of time your room would be the same dimensions as an Olympic sized swimming pool.
A few years ago
I reviewed a place we stayed in York on TA. We drove 5 hours up North to visit the city, and the woman of the couple we went with booked us at a local B&B and it was a disaster. We didn't sleep well, and decided to leg it a day earlier than planned. York was wonderful, but we were exhausted after the long drive and night of unrest.
After about 6 months of being on TA, my review, along with the mouldy photo pics were removed without explanation. The review wasn't overly dramatized, just contained basic facts of the filth we encountered.
So overall the quality of the negative reviews is something I pay attention to. What constitutes a negative review for you may not meet the same criteria for somewhere else.
But the reviews are mega fun the write!