Your first link is about Lenovo's IdeaPad line. IdeaPad and ThinkPad could well be thought of as products from two different companies.
Lenovo was already making laptops when they bought the ThinkPad line from IBM. Their own laptops evolved into the consumer oriented IdeaPad line, while ThinkPad remained the business oriented line.
They're both part of Lenovo, but are largely separate teams with different business goals and philosophies.
In particular, ThinkPads were never infested with any of the stuff you're talking about.
Here is the original notice from Lenovo about this. No ThinkPads are listed:
https://web.archive.org/web/20190303121854/https://news.leno...