It's surveillance companies, i.e. follow the money. Imagine if you can force every IM app to include your nonsense? BILLIONS of instant installs and subscription fees.
The EU ombudsman actually asked the EU Council to comply with a Freedom of Information request about who attended the meetings about this and all we got was a fully redacted PDF with a list of about 30-40 individuals/groups (literally blacked out in the PDF). It's absurd how non-transparently this is bought & paid for.