It’s more malicious than that, they’re simply not renewing their code signing license hence making the software non-functional.
After all, a computer with the date set to 2021 will still function...
They were selling it until October 2021, so it's not some ancient system. By building a time bomb into it, they misrepresented what was effectively a $50/year subscription as if it were a $229 purchase. Should be a slam dunk case, but it won't be.