If latency is consistent you get used to it and learn to deal with it. Improving latency would improve your quality of life, but you often won't realize it. I don't need the ssh to show the character I just typed instantly so long as the characters get there eventually in the right order. I don't need my bank's webpage to show my balance instantly. However if latency is not consistent I will notice as I've already learned how long those things "should" take.