This happened today...
Manager: how long this is going to take?
Dev: 3 months
M: cool! 3 weeks then
D: no.. This is quite complicated and most of us are unfamiliar with the topics. It'll take us 2 weeks just to get started
M: drop the unit tests then. Just get the features done in 3 weeks. We have customers waiting
D: that's a bad idea. We'll end up with unstable co..
M: oh we also need to complete documentation, release guide, and this [shitty feature no one care about]
D: but that is even more complex. We don't have enough ti..
M: just copy it from stackoverflow. It'll only take 5 minutes guys

Worst part? This guy is technically sound and understands our pain really well. He is just acting dumb and trying to put the blame on us when the higher management asks

Second worst part? The whole team keeps silent when I try to convince him somehow and starts ranting after he leaves the call