But Bais Ushi is on the disabled list! If you beat someone when their at half strength only due to construction, is that really a win?!
And besides, Hallel is likely the most important thing to be said b’tzibbur. Aniyas Hahallel is integral to the hillul. It is muttar to skip pesukei dezimra to catch the responsive parts like Hodu and Ana Hashem as much as tefila b’tzibbur, and according to some poskim, even more so.