Like other things, you get used to it. It's probably more comfortable, and for a new rider it can be difficult to get your head around 'gripping harder will pro

Like other things, you get used to it. It's probably more comfortable, and for a new rider it can be difficult to get your head around 'gripping harder will probably make you go faster, not slow you down'. Shifting in your seat/going over a bump shouldn't really affect it though, can't say I've ever noticed it happen while riding.