Basically I used to get in touch most of all the invented system, like web wallet/desktop wallet and Paper wallet but I haven't got any significant issue while I using these method rather than security measures. that's why I like to take this way which doesn't need to submit my private keys.
We totally get you, and as we said above, if you've got a fortune, you shouldn't need to keep accessing it all the time. But if you have a "hot wallet" of maybe $50 or $100 that you'll often use, you really don't want to keep jacking in to your hardware wallet all the time. Especially not in public! A mobile phone app or browser like ours should be all you ever need.