you are the pilot you will be at 200 hours...if you are sloppy by then, you will be a sloppy pilot, if you are disciplined, your flying will show it for many years to come.
but low time pilots have not had the experience...the times you have seen things fall apart, or recognize from reality, wx conditions that could be harmful.
if someone hires a low time pilot, it is because they are young and likely will be with the airline for many years...waiting to upgrade.
I got hired at a major airline at about 5000 hours...I came to work and did my job from day one...minor things like how to fill out time sheets or make reports took a little while...but flying, talking on the radio, etc...ready from day one.