This! More taxes and - yes - more state-controlled tech! Wait. Why stop there? Let’s just bring back the SED and the Stasi too. Also, prevent people (the rich? yeah!) leaving Europe too with big walls [1]! I love your ideas comrade! LOL. Seriously, you should read more history books (and read it to your kiddos while you're at it, please). Peace.
[1] German men must ask the army for permission to leave country - https://www.dailymail.com/news/article-15706287/German-men-a...