Yeah, sites like that are pretty much in the sweet spot of uselessness - lasers too powerful to use as laser pointers, too low quality optics to use for engraving or other laser CNC projects, too cheap to actually deliver the rated power, and too outside the law to give a fuck about false advertising.

There are less-sketchy looking offerings in the 7W range for a similar form factor, though - see [0]. Of course, I'm still not sure if there's such a thing as a 'reputable' site in that segment...

0: https://www.sanwulasers.com/