Did Apple deliberately Slow Down older iPads, and old iPhones 6 and 7?

Apple has apologised for recent iOS updates in 2017 which have caused huge resentment among older iphone and Ipad users.  Due to these updates Apple is also facing lawsuit from old iPhone 6 & 7 users as well as older iPad users.

Read: Apple Updates in Dec 2017 slowed down Older iPads and iphones 6 & 7

Source: Helios7.com