I'm not sure if I'd consider that 'more dangerous'. Sure, euthanasia is a topic best not brought up at parties, but if I ignore the legal and moral aspect for a second:
The stuff you order from the guy in the article is supposed to be interesting/entertaining, but might kill you when you build it/if you are not careful.
The 'suicide kit' you describe says what it does (if it works, if it's not a scam) on the box. You won't buy it and .. die by accident.
I don't know whatever happened to her or that story, but I am sure she's not the only one in the "market".
Enabling people who want to harm themselves is probably more dangerous than this. The superlative makes this article a little bombastic to read.