So somebody started using software sold by a for-profit company and was surprised when that company wanted to follow-up? Is it really that hard to politely say

So somebody started using software sold by a for-profit company and was surprised when that company wanted to follow-up? Is it really that hard to politely say "no thanks, I'm good"? Or just ignore the message completely? Must every annoyance in life be cause for inciting a Twitter mob?