Why is Elon Musk’s DOGE accused of leading a hostile takeover of US gov’t?

The world's richest man, Elon Musk, has suddenly extended his authority over multiple US government agencies.

Why is Elon Musk’s DOGE accused of leading a hostile takeover of US gov’t?
The world's richest man, Elon Musk, has suddenly extended his authority over multiple US government agencies.