The amount of power is the same

There is only one pope seat at a time which they can influence. But that’s not a complete measurement of all the power involved.

Think of fit this way. Every time there’s an election, everyone comes out to kiss their ass and offer favors and so on to they themselves or “their guy” elected. If elections happen only every 20 years, then this ass-kiss-fest only happens every 20 years.

They’d rather it happen every 5 years.