They lean on the corporations when use of any competing currency becomes popular. For example gaming currencies (e.g. QQQ) were squelched this way.
QQ tokens had limited use cases and were centralized, issued by QQ company. How do you squelch crypto 2.0? Throw people in jail for using it? Ban Internet? These are possibilities, of course. It's all high risk investment and wild west. We'll see how it unfolds.
Decentralization and scaling are key points.