You know that your 'feeling' is true, you are not imagining it. We all have eyes to read some of the unpleasant things that are sometimes said on this forum.
And tone or no tone, the words are the words, and you would have to be in complete denial to read 'the words' and pretend that it's ok.
We all know when we write stuff how it's going to be perceived. There is no excuse for it. Period.
It is possible to use the English language in a direct manner to air a view without making others feel worthless or useless.