What if the older the channel is, the more subs it gains?

Today, in this stats video the older the channel is, the more subscribers will channel get. Of course there isn't every single year featured in year but at least it's half of those years. This is how many subscribers will they gain per a month.
2005= 20 Million subs
2006= 19 Million subs
2007= 18 Million subs
2008= 17 Million subs
2009= 16 Million subs
2010= 15 Million subs
2011= 14 Million subs
2012= 13 Million subs
2013= 12 Million subs
2014= 11 Million subs
2015= 10 Million subs
2016= 9 Million subs
2017= 8 Million subs
2018= 7 Million subs
2019= 6 Million subs
2020= 5 Million subs
2021= 4 Million subs
2022= 3 Million subs
2023= 2 Million subs
2024= 1 Million subs
The Data: No data, lol! Channels from 2005 like Apple, FRED and Smosh were super duper fast!
The Website/App: Flourish
The Tracks (in order):
Track: "Sync, Roby Fayer, Eytan Peled - Why So Serious [NCS Release]"
Music provided by NoCopyrightSounds.
Watch more NCS on UA-cam: NCS.lnk.to/You...
Free Download / Stream: ncs.io/WSS
Track: Chime - Win & Lose [NCS Release]
Music provided by NoCopyrightSounds.
Watch more NCS on UA-cam: NCS.lnk.to/You...
Free Download / Stream: ncs.io/WinAndLose