I slay, why wear barrows when dragon + Seers 4 Enhanced Excal keep me alive on all tasks that you don't need to pray on?
Please, don't make this a subjective argument. What you like to slay in doesn't change what other people like to slay in, it merely offers an alternative be it good or bad.
However, I do agree to a certain extent that Barrows are quite pointless when Slaying, however, if you like efficiency, Bandos is quite good for Slayer.
Anyway, this is straying offtopic.
On Topic; People dislike degrading armours for a variety of reasons. Some are just lazy to fix armours, some have OCPD about armours degrading at different rates and some people just don't like the fact that a degraded piece of armour means no more camping at 'X' spot.
I am still unsure of the actual GP cost of the degradation of Torva. I think it will be fair as long as 10 hours doesn't cost more than 1m. Remember, RS Wiki has very low credibility on any game-changing updates like this.