Well, his knife is about as good as the Kizer, as they appear to be the same knife, made in the same factory, that he stuck his name on.
From doing a bit of digging, what seems to be the case is that Mr. Britton entered into an agreement with Kizer knives, which said that if he got a certain number of orders, he would be able to purchase the design. He didn't get enough orders, so the deal fell through. Meanwhile, Mr. Britton started selling them claiming they were customs, as he still does on his website. When the deal falls through, suddenly a knife design that looks a whole helluva lot like "his" Tango is going to start showing up for sale in stores, and he runs the risk of getting caught stamping his logo on (very decent) Chinese made knives and lying about calling them customs to sell them for several times the price. So, to try to get ahead of it, he accuses them of stealing what he claims is his design, and riles up a lot of people to crusade against an imagined enemy. It helps his case that he was selling their knives before they released them to the wilds of bladehq and knifecenter and the like.
Personally, after reading about this kerfuffle, and similar ones in the past where people have claimed Mr. Britton has delivered to them blades from knife kits and the like, I wouldn't purchase anything from him. It's a shame, because he's apparently a fairly talented maker. But, it seems he's taken shady shortcuts, and for me personally, I couldn't really see a scenario in which he could regain my trust as a consumer of knives and knife-related paraphernalia.
But, in the end, he never presented any actual evidence to support his claims, and Kizer did. By the way, I've been hearing great things about Kizer, and ordered their Splinter model. Should be here a few days after this hideous election is over. Looks to be a pretty knife. Looking forward to seeing it show up on my stoop.
Disclaimer: I, like other internet denizens, could be wrong on small (or large) details on this. I'm fully willing to retract my statements if contrary evidence shows up.