So why would Valve do this? It may be a response to several law firms’ attempt to file “mass arbitrations,” wherein “hundreds or thousands of consumers bringing individual arbitration claims against the same company at the same time and over the same issue,” according to ClassAction.org. It’s essentially a loophole for class action waivers and arbitration clauses, though it still won’t end up in court.

Hit em right in the pocket book.

• Sifu – Steam Deck Verified – Very Positive Rating
• Gotham Knights – Steam Deck Playable – Mixed Rating
• High on Life – Steam Deck Verified – Very Positive Rating
• Blacktail – Steam Deck Verified – Very Positive Rating
• Astral Ascent – Steam Deck Verified – Very Positive Rating
• Diluvian Ultra – Not Steam Deck Rated (but works great!) – Very Positive Rating
• Universe For Sale – Steam Deck Verified – Very Positive Rating
• This Means Warp – Steam Deck Playable – Mostly Positive Rating

Without any legal penalties.

But doing so, would surely risk intels reputation and future contracts with the government. The government could also impose other restriction or penalties on intel for non compliance.

But like you say, if intel does come up short, likely nothing will happen (unless some form of negligence is discovered)