The government shouldn’t work based on data, but on virtue. That’s the whole point of a constitution, common law, etc.
Looking at browser usage data from GA when Firefox specifically blocks it quite often is useless.
Nepotism and bias aren't the alternative here. If you require that decisions are driven by data and you don't have access to accurate data, you should default to doing nothing. If anything, nepotism and bias sneak in when decisions are made despite the fact that no accurate data is avaliable.