Why does everyone complain about cash converters?

Question

i mean whats the big deal? people arent forced through the doors to sell there goods.

Answer 1

but they do take the biscuit really, and give you peanuts for something worth more, lets hope you never need to sell something there

Answer 2

Some people just really don't like alliterations i suppose.

And i agree with you, its not like its compulsory