No, they’re banned because the people who decided the ban disagree with content that questions their political ideology. For example, this includes a lot of books on racism.
The problem is that it is impossible to create an engine that will run on synthetic fuels, but is guaranteed to never run on fossil fuels even if modified / hacked, because they’re chemically identical for all practical purposes. There might be some type of DRM-like solution, but given the economical incentives involved, that will be circumvented by car owners. The whole thing is an incredibly stupid idea and will probably lead to the ICE ban being ineffective.
JIRAs growth strategy was based on developers adopting it without having to talk to their bosses first because it was cheap enough to do so. Nowadays, this probably works differently, but that’s how they initially gained traction.