The metrics are also not clear on whether he is above average in CF. On BR's two metrics he is positive on one and negative on the other. It happens to be positive on the one they do their WAR calculation, but that is why he ranks less highly on Fangraphs. His scouting report suggests marginal range and arm for CF. He seems to have good instincts in any field and the range is good in either corner.
Bottom line is he is still a tweener. The CF defense is not good enough to make a 720 OPS bat a plus regular. And the bat is not good enough to be a plus corner OF. One can certainly go with him as a low cost regular to balance other salaries, but that decision would be more to save money and get passable performance, not to really think of him as a good regular on a playoff team.
There is also much we don't know about Bohm (and Stott). They are both lesser prospects than Crawford was, so I guess we should just count on their success. Segura not playing SS IS a big problem because it locks them into mediocre production at another position where they need more offense while also opening up SS for another player that might be below average there. I hope Stott is a solution, but it is several years away and he has major defensive questions too.
The Phillies have plenty of money. There is also no law against going over the luxury tax now and then. Klentak's various missteps may have given them no other choice unfortunately.