I use both for different tones just depends on what the song needs. Pick probably 80% of the time cause my band plays heavier music. But over time I have become more proficient with my finger style cause I exclusively practice outside of the band this way.
I play guitar but when I mess around with my Spector bass and Crate practice amp, I use ANY pick I can find. I can play part of Stanley Clarke's School Days. Hey, that's SOMETHING...