As for the "not hard"... sure, technically, it's rather simple.
But from what we've received so far (which wasn't much, but still) - I dare say it's not that simple to make something that sounds
well. It seems like it's enough to write down the texts and then read them into some recording device. But... it often sounds rather dull, boring.
I mean, for personal usage, whatever the particular person likes, it's fine
But if it should be placed somewhere on avast! web, or even included in the program (we're still missing the voiceovers in quite many language versions) - it should be recorded through a decent microphone (i.e. not the one in notebook or cellphone), and the whole expression/pronunciation should be "lively" (but also natural!). It's not
that simple, if you're not a professional speaker.
As for the sticky... I don't know, there are plenty of stickies here already.