The article title, "Dear Email Industry, We’ve Got a GDPR Problem", implies that.

Either you do think email marketing comprises the entire industry, or the article title (and HN submission) are (or give the impression of) clickbait.

At least it doesn't seem you are doing any direct tracking on the post though ...

(I used to work for an ISP with a pretty large email service, so it touches nerves that were exposed when our enemies, those companies who try and find ways to irritate our customers, think they are the only important parts of the actual email industry)