And have you used it for a game jam before?

In my personal opinion, it is the worst tool for a game jam. However, if other people enjoy using it, then I see no problem for them to use it (unlike one person in a previous thread).

I think it's decent, definitely not the best tool for game jams, but I don't see a problem with people wanting to use it.

All of my games have been made in scratch. It is great for getting something created quickly but can be limiting.

I think Scratch is a good starting point, but you should move on to other programming languages after around 6 months of learning Scratch. Python is a good starting language after Scratch. Personally, I used Python for around another 5 months before moving on to something like Unity.