Some states do use their own definitions of terrorism to explain why it’s bad when other people do it but OK when they do it, but that’s definitely not a uniform definition.

the calculated use of violence to create a general climate of fear in a population and thereby to bring about a particular political objective.

- Britannica

The use of violence or the threat of violence, especially against civilians, in the pursuit of political goals.

- American Heritage Dictionary of the English Language

the use of intentional violence and fear to achieve political or ideological aims. The term is used in this regard primarily to refer to intentional violence during peacetime or in the context of war against non-combatants.

- Wiki

(Government, Politics & Diplomacy) systematic use of violence and intimidation to achieve some goal

- Collins English Dictionary

the use of violence and threats to intimidate or coerce, esp. for political purposes… government or resistance to government by means of terror.

- Webster’s

The impacts of the environmental damage are not necessarily worse than the environmental damage from not sinking superyachts in the long term, if it becomes a common enough threat that rich people no longer feel secure in owning them.

The concern with anything too destructive is with the property and safety of workers on board imo, not the ships themselves.

I’d recommend Andreas Malm’s book How to Blow Up a Pipeline if you want to hear more about the reasoning for this sort of thing.

Guru Larry’s Fact Hunt videos can be fun, although he definitely uses an over-the-top personality. He often does listicle style videos but almost always forgets that any video game has been released since 1993. Lots of lists will contain like amiga ports of arcade games and stuff.

https://www.youtube.com/@Larry

For example in the video “Purposely Broken, Unbeatable Games by DICKISH Developers” the game selection is Smash TV, Gladiator/Great Gurianos for the ZX Spectrum, Robocop for the Commodore 64, Dennis the Menace for the Commodore Amiga, and then Tony Hawks Pro Skater 5 but it mentions how weird it is to mention something so modern

https://www.youtube.com/watch?v=0mn-4y8YrU4