PuTTY's UI is an ass-backward mess (and that's mildly put) and the fact that you're used to put up with it or that there exists five Knuth's arrows worth of guides doesn't change that. In fact the latter is probably a testimony of it all. I've used it for years, know it by heart, still hate it, and am pretty well served by and versed in the unix terminal universe, TY. PuTTY has been useful for sure but that was by scarcity as there was basically no alternative on Windows for a decade or more.