Do you discount the co-development that SGLB has been doing for years with GE and Honeywell? 'Not been tested in a live user's environment' surely sounds like you don't believe that they have any experience or that what experience they have isn't relevant.
How many times have you had to install a Windows or Apple update after buying new software? People sell software. Bugs happen. Companies provide ongoing support to fix it. The Early Adopter program functions the exact same way. I don't see what it so unreasonable about it.