True, piracy still happens, and actually, in the case of the game engine, piracy is good, it will enlarge the cover in the engine markets, and enlarge the community, which will lead to the growth of the engine at the end
Like Windows OS, Microsoft could kill piracy very fast but it will kill the OS as well, this is why they just make problems for pirates but do not close the OS completely
another argument about working in a browser allowing to work on the phone is also not an argument, because it is impossible to work on the phone, especially on modern phones with swipe controls
so, this online browser app is just decreasing the popularity of the Construct
And when you are saying that the app can work online, but it is not working online it is just a Lie to your customers