Here's a German person talking about it on Quora. I can't find many sources, but there was an assumption within the people, backed by the EU, that whatever party bloc won, their leader would be Commission President.
See, this is the problem with your confirmation bias.
Weber had seemed the most likely choice, given that he is the leading candidate of the biggest group in the Parliament — the center-right European People's Party (EPP). But the conservative from Germany has failed to attract enough support from other parties.
https://archive.md/L3XwK
Here's a German person talking about it on Quora. I can't find many sources, but there was an assumption within the people, backed by the EU, that whatever party bloc won, their leader would be Commission President.
See, this is the problem with your confirmation bias.
https://www.dw.com/en/weber-wont-be-next-european-commission-president-report/a-49408003
That's how a parliamentary system works. It's utter crap. But it is how it works.