Ignoring the actual content and the fact that PHP 8 runs 5.6 procedural code just fine (unless it's broken code that needs fixing anyway), the part that caught my attention was the subject line and salutation.
There's something kind of adorable about him thinking that PHP is a 1-man effort and Rasmus is just sitting at home banging away on it all by himself.
Open source. Open community. We are dedicated to building and enriching the PHP community.