True. However a Snugpack RE costs around £150-160, plus more if you buy the extenda panel (£25-30 or more?). The Ultima Thule costs around £140 after their 20% discount, and has a rated temp of -20F, or -32C. And unlike any other sleeping bag manufacturer, he not only recommends washing the bag as often as you like, but gives a lifetime guarantee on it retaining its loft, even if you keep it fully compressed in storage. True, there are postage costs etc to the UK, but even then it would be around the same price as an RE with expanda panel.
This video
https://www.youtube.com/watch?v=YD3wA5Wrcmc was the final kicker on me getting some Wiggys gear, after lots of on-line searches for how they worked in real life. Most were entirely favourable (although a minority were very rude, mainly because Wiggy has a reputation for "vigorous" defense of his goods on camping websites, which tended to upset the sensibilities of some - actually most, to be fair.) Having spoken to him several times when ordering goods, I can confirm he is somewhat "abrupt" - if he had any commercial sense he'd keep well clear of any customer-facing/PR activities, and concentrate on production and development
I have no personal connections with Wiggys other than as a customer. I will however say that I've been very happy with most of the gear which I've had from him, which has lived up to both my expectations and those claims made by Wiggy. Particular favourites, apart from the bags (I have the Ultima Thule boat-tail, Superlight and overbag - which fits on both), are the Antarctic Parka and the Packboots .