A lot of people walked away from these tweets with wrong impression, due to her obscuring the origin and context of these messages. Had she stated that she spent months namesearching herself for negative posts about her on 4chan/8chan, it probably wouldn’t have been taken as seriously. Probably because it doesn’t approach harassment. According to her data, there is on average one negative post made about her every 3 days.
It would be significant if this happened disproportionately to her, or women. But searching 4chan for any mention of male game industry figures bring up as many negative posts if not more.