Most of the welfare checks seem to have been people who ordered from IC (Kenneth Law.) BUT- there have been one or two others reported:
I was sleeping comfortably when 2 police officers arrived at my door- border control had detained my SN for a short period of time and informed them to conduct a welfare check on me. I have since been placed under involuntary inpatient for a period of at least 5 days. despite saying i had no...
sanctioned-suicide.net
It may be more likely if it's an import and maybe some countries are becoming more aware of it.
Having said that- a welfare check obviously isn't nice but it doesn't always mean that they will either confiscate it or- send you to the psyche ward. The check I had went as well as it could have- neither of those happened. That said- it likely depends on whether you are already on their radar and- who you get on the day.
Maybe- once you've made some more posts, you could use the search bar to see what people have been reporting recently. I feel like it's likely as time goes on that our authorties will clamp down harder on it. Still- while it isn't illegal- I expect they're restricted as to what they can do. Presumably that will be what they're pushing for though- to make it a licensed product for businesses or something. Expect a lot of home curing businesses will be popping up then!