That is absolutely insane and someone should be fired and shamed for this. I didn't like just trimming a pure www. but trimming any www. in the hostname is just dumb behaviour.
How would I differentiate between loadbalancer1.www.intranet and loadbalancer1.intranet? THOSE ARE NOT THE SAME.
http://www.pool.example.com displays as http://pool.example.com
Here's a gif: https://vgy.me/61I0DA.gif
For fun I'm going to set up a www.www.www.www.www.www.www.www.www record.
http://www.www.www.www.www.www.www.www.www.www.example.com shows as example.com
E: I'll add it to my certs later but I did it: https://www.www.www.www.www.www.www.www.www.www.www.www.aish...
E2: http://www.example.www.example.org shows up as example.example.org - this is fun.