For what it’s worth, Decent would be the least “shady” of any business I’ve dealt with. I literally can not think of a person or a business that’s been more open and transparent in my 40+ years in business.
John Buckman is on at least 4 publicly accessible forums that I know of, taking questions and answering them in an open and transparent manner. Rather than harbouring and posting about shady business practices, anyone can go ask him directly. He will offer you a rational and well thought out explanation of exactly why they do things they way they do.
In terms of steaming, the XXL model is apparently the bees knees. The others are generally regarded as ok but not stellar.