Which character will allow me to have the most impact on the game even with bad aim/poor game sense, which agent should i unlock from the free agent they give you?

I just find the voice lines really annoying and cringey. I just started this game and it’s really hard not to destroy your pc when hearing these horrendous absolutely awful voice lines.

When an ally in the team presses " Need healing" and then sage or skye presses the button with the healing ability and it is on cooldown, then sage or skye would say something like "I can't heal right now", "No charge" and that all allies w...