You can do a lot with very little now - and my feeling is it's as much fun to do what you can with whatever you have. The best filmakers made their early amateur films with whatever they had. Spielberg made his debut films on handheld 8mm.
On Jason Bourne, the DPs used sub £1000 Blackmagics.
Gareth Evans shot parts of The Raid 2 using a GoPro.