It's not how big it is but how you use it that matters. True I suppose, great content will always be king, a video of plane load of orphans in a crashing into Prince Harrys personal chinook party mobile filmed on a phone camera is far more exciting than a plane load of tourist fools landing safely shot in IMAX.
However the size of your thingy will affect how you use it.
My first proper camera came along about seven years ago, it was a small £300 panasonic. I did