Let's be real here, I've seen every post about Lady Bird and every time someone comes in to make a huge nothing burger about this PR. Yall are just a gigantic mob out for blood for absolutely no reason.
Your concern should be whether or not the browser works, its not even finished ffs. If this were a released, absolutely 100% complete app, then sure! Go and be pessimistic about grammar. However I can garauntee you they have bigger obstacles to overcome.