Honestly, almost anything can work. Some, sort of flash card system, and some, sort of input in the language that you enjoy. I use Anki and yes it's trash but I have never found spending anymore than the least necessary time on the tech of language learning worth it.
The crucial thing, in my experience, is that language acquisition only works if you're paying attention because you actually care about the material in front of you. I think a lot of people make the mistake of only studying aspirationally and well beyond their current capacity, forgetting how to be a child and be highly curative and explorative. Weird shit, even practically unuseful shit, is surprisingly better than you'd think.
It can't stop the usage, it can raise the cost of doing so, by bringing in legal risk of operations operating in a public way. It can create precedence that can be built upon by other parts.
Politics and law move slower than and behind the things it attempts to regulate by design. Which is good, the atlernative is a surveilance state! But it definitely can arrange itself to punish or raise the risk profile of doing something in a certain patterned way.