Yup, it's definitely a warning shot. Seems unlikely you can fix a hitting philosophy (or mechanics) in six weeks. With a temporary hire who, guru or not, hasn't been a hitting coach in 30 years. I remember when people wanted to fire Charlie (and did fire his hitting coach) because the offense was struggling!
And if Mallee's approach was aligned with the new minor league people, what happens at the lower levels next? Is it a shot at Kapler or a shot at Klentak? Did Klentak initiate this or did Middleton finally tell MacPhail, "I am tired of watching this offense, someone's gotta go."
A Flyers move is a great way to put it. They are feeling the heat. If they really felt it was needed/would help, it should have been done a month ago.
No one can debate the offense isn't what we hoped it would be, but that doesn't mean this will fix anything. The Cubs are on their third hitting coach in three years and have had basically the same OPS all three years (they also scored fewer runs last year post-Mallee which is probably why they fired the guy after him too).
I don't think Chase wants to work that hard (or live in PA). I think he's also under contract to LA.