I have no problem with people using whatever legal techniques they want to promote their product. Use as many size one invisible keywords you want - it doesn't bother me a bit.
Just seems a little like a crack dealer showing up at a pharmaceutical convention and yelling about how ritalin is addictive.
"He's aiming to sign up 100,000 SMEs by the end of the year."
Yeah - one for every keyword on his page.
"...'refusal' to deal with queries from sites about listings disappearing..."
They were to busy laughing - you can't HONESTLY tell me ANYONE would put out a press release like that without at least cleaning up their site. Too late to hide the links from ATW.
That is putting it nicely :)
Anyone that uses font color="keyword" +redirects + invisible text .... on sites and then complains they didn't get answers as to why they got banned has some set. And GUARANTEES rankings.
All is fair in love, war, and SEO. Sure - no one likes getting shot at, but you don't hear soldiers yelling "What - you are shooting at me!?"