It's a civil matter, with libel being an expensive niche area. It's very expensive to pursue a libel action, and pointless if the defendant is of no means.
There's always going to be negative reviews of a service, any dick can write shit on the internet.
( Light In Chains maker of the ikea sofa, Tue 31 Jul 2012, 10:22, 2 replies, latest was 13 years ago)

I fear I just have to let him keep being a cunt until he gets bored.
There's no way on earth I'm replacing his goods or refunding him.

The spastic wants to go to Trading Standards who will set him straight.
( Monty Boyce, My cheese game is strong, Tue 31 Jul 2012, 10:29, Reply)

What goods were they
I hope it was dildos
( Naked Ape call me Caitlyn, Tue 31 Jul 2012, 10:30, Reply)

I'm not going to say.

( Monty Boyce, My cheese game is strong, Tue 31 Jul 2012, 10:31, Reply)

oh, well, I guess that the end of that then
I'll continue to believe it was dildos
( Naked Ape call me Caitlyn, Tue 31 Jul 2012, 10:32, Reply)

I'm not HimJim you know.
He's the dildo-meister.
( Monty Boyce, My cheese game is strong, Tue 31 Jul 2012, 10:35, Reply)

The threat of legal action might have some sway with any websites of note, being the business is being libelled and they are facilitating that libel
Fair criticism is one thing, but depending on the content of his pissy moanings on industry specific websites statements designed to maliciously harm the business are a different matter.
If you ignore him he'll get bored and wait for his next online crusade, just contact site mods for deletion of his comments.
( Light In Chains maker of the ikea sofa, Tue 31 Jul 2012, 10:37, Reply)

*nods*
Ta
( Monty Boyce, My cheese game is strong, Tue 31 Jul 2012, 10:38, Reply)

Can't you report it to the police and give them all the information you have?
That way it's up to them to investigate.
(PsychoChomp, Tue 31 Jul 2012, 10:46, Reply)

The point is that he's venting because he's an idiot.
Tighten the screws and he'll fuck off. Or write a counter to all his claims on the website.
(PsychoChomp, Tue 31 Jul 2012, 10:37, Reply)

Just had another ten minute row with the cunt.

( Monty Boyce, My cheese game is strong, Tue 31 Jul 2012, 10:53, Reply)

Did you say "IM ASKING FOR ADVICE ON B3TA NOW, YOU'RE IN TROUBLE"

(PsychoChomp, Tue 31 Jul 2012, 10:58, Reply)

I did.
He's gone into hiding now.
( Monty Boyce, My cheese game is strong, Tue 31 Jul 2012, 10:59, Reply)