Leaving aside the inherent "it's comics" explanations and that Cap & Co, *need* the quinjet to advance the plot....

>The tower blown up still has considerable cost.

Yes but rebuilding a fairly simple tower pales in comparison to the cost of a quinjet.

>...and they will have to pay for it.

Actually, it's more likely Tony Stark would have to pay for it. He's the bankroll behind the Avengers and Vision is on *his side* so it would seem logical that he'd try the **"least cost option"**....assumiing that his battle tactics thought that far ahead.

For instance, a faily recent tower in Charlotte NC cost around c$100m

>The FAA awarded a $60 million contract to build the new facility in January 2016 to Archer Western Construction.  Equipment, installation and training costs, and demolition of the old tower bring the total project cost to $112 million.

><sup>[**Source**][1]</sup>

..whereas a modern jet fighter (considerably less advanced than a quinjet

>F-22’s would cost an estimated $339 million per aircraft, with a cost of around $150 per each additional unit. 

><sup>[**Source**][2]</sup>


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>He didn't need to damage quinjet beyond repair. Flying is complicated, and I imagine some repairable damage that doesn't cost as much as a quinjet would have stopped the ship from flying.

Possibly true **if** Vision had full control....but, as we find out, **he doesn't** when he actually attempts to bring the quinjet down but manages to bring down War Machine instead...with disastrous consequences, at least for Rhodey.


  [1]: https://www.faa.gov/news/press_releases/news_story.cfm?newsId=20415
  [2]: https://www.historyinorbit.com/30-facts-about-the-f-22-raptor-that-will-blow-you-away/