Great. When I thought I just became expert level in C++, this? Hmm.. fine time to learn Rust.

What the difference b/w industrial goods and consumer goods. Both are physical items

Think giant industrial equipment vs microwave ovens

Precisely this is the reason one should take RMS seriously. Can you imagine how ridiculous this might been in 1997 when mobiles and kindles did not exist, yet he was so damn right. RMS does not compromise and its very rare to find some one like him who is both technically sound and also being an activist.

Why is that? Is it against english grammar or something?

The world is full of ‘should’s but most of them are just constructs.