It’s such a hateful and mean comment. OP, please ignore this.
If you want to spend time building your own library, like OP has , and release it , god speed — that is if you can. In the meanwhile, OP actually spent energy to build and launch something, which is commendable.
Because someone who clearly violates even the most basic rules of doing business in the UK is trustworthy to "do it all by themselves" just because they say so. Because they clearly show a respect for the rules society put in place.
If you want to spend time building your own library, like OP has , and release it , god speed — that is if you can. In the meanwhile, OP actually spent energy to build and launch something, which is commendable.