Depends on what you look for. I think they will deliver the docs...
They lie about taxes (like 99.9% agents). If you buy a residency or tax-setup from some clown on youtube... that's pretty much what you deserve.
Realistically, they are noobs with 0 experience in offshore industry. The talking head of it is some failed Italian marketer. Someone made a thread about his past on Twitter before.聽 聽