If you don't like Centrowitz based on his "attitude" as demonstrated by celebrating after races (heaven forbid), that's one thing, but you have to be very selective with your evidence to disparage his racing habits.
Centrowitz has done well keying off of runners, if that's what you're referring to, but that's a reality of middle distance running. There's nothing wrong with a runner being aware of his fitness and trying to shoot for more even splits in a Diamond League race, which is always going to go out fast, than ridiculously positive ones as a way of optimizing his performance. Certainly that's what happened at Lausanne last year, and the result was a top 3 finish and a 3:31 PR.
And if you want to use that as evidence that Centro isn't aggressive, then what about his race today at Paris, when he was pretty aggressive from the get go; or his race at Millrose, where he went out in 1:53-54; and DL meet last year at Brussels, where he finished in the top 4 and hung out in the front 4-6 of the pack for all of the race?
The truth of the matter is Centro is so good in part because he's able to adapt his race plan to whatever the occasion requires. But it sounds like some people here just want him to have the one tactic of going out hard as he can right from the bell, which would somehow be more heroic or noble. But in the 1500, it would also be a lot less successful.