Users now expect instant gratification. If your app fails on fast loading or...

https://source-wiki.win/index.php/The_UX_of_Odds:_Why_MRQ_Succeeds_Where_Other_Apps_Fail

Users now expect instant gratification. If your app fails on fast loading or makes mobile payments a headache, they bounce instantly. True personalization is the baseline for any modern experience. If you force users to wait, you have already lost them.