Why would you assume so? Embraer are a top 3 airliner manufacturer in the world, with better quality than even Boeing[1], an American darling. And as the article indicates, it was a UK-based company which is the origin of the fake parts.

1 - as far as we know publicly, Embraer didn't have multiple quality control issues around critical components in multiple different aircraft designs (737 Max aft pressure bulkheads, wings and lack of redundancy and training resulting in 300+ deaths; 787 general poor quality when coming from South Carolina).

Perhaps, but Brazil certainly has an excellent aerospace industry. Meanwhile, here's a UK-based distributor selling unverified parts from two weeks ago: https://www.reuters.com/business/aerospace-defense/engine-ma...