Doesnt make sense, even if you use tails scripts can serious fuck you, and theres nothing stopping them from configuring their script to bypass tails safeguards. So like should we stay away from vendors who advertise on here cause its like fucking reckless?
Oh nothing, aside from their woefully inadequate technical skills
There would have to be a browser exploit available I believe, for them to hijack, and then they would also have to be able do a MITM attack to fuck up reddit's response to your request for a JavaScript file or something... not sure how possible this even is if you are using a good, current browser bundle for example.