On the reliability topic - if everyone blame _only_ M-Sport/Ford for reliability issues, then make notes - others, Toyota (Takamoto) and Hyundai (Neuville) have them as well.
Most certainly, but M-Sport seems to encounter reliability issues more frequently (just my gut feeling, I have no data).
Day 2 May not still know the pecking order, but we are seeing the "haves and have-nots". The Haves Ferrari McLaren Red Bull
Pre-Season Testing [Bahrain]