I feel like if aliens come they might keep themselves hidden, rather than announce their presence. If so, it could be Fermi was right, we just haven't seen the

I feel like if aliens come they might keep themselves hidden, rather than announce their presence. If so, it could be Fermi was right, we just haven't seen the evidence of it yet, since the Fermi Paradox presupposes that their should be intelligent life and the we actually can point to evidence of it.