That is defo not user friendly...
1: Construction:
Relatively easy I guess, but more user friendly printers do come fully built with no assembly required.
2: Levelling the bed:
It's exactly the same as I have to do, but you only work out what to do and why you do it from experience.
Your making the bed perfectly parallel to the print head as it moves around the bed so the first layer will stick to the bed and each subsequent layer sticks to the previous one.
I'd say if your mechanically minded you'll work this out and get used to it, but it is far from user friendly.
A user friendly version would let you turn it on and it would automatically level the bed for you.
There is a system that works out how far out the bed is from level by testing the height using a grid of points. The software then uses these heights to work out how the bed plane is tilted. It doesn't alter the bed height, it just takes into account that tilted plane when moving over it enabling it to keep the same 0.02mm distance at any point above it that's required for a level print.
So, point 2, levelling bed, not user friendly.
3: loading filament:
It does something very odd when trying to load new filament moving to the top and hitting the upper gantry, this is baaaaad, for this alone I wouldn't even consider it.
He notes it doesn't tell you to cut the filament at an angle so it will pass through the start of the guide tube. Nope this to is defo not user friendly at all, let alone it issues with not knowing when the top is.
I don't even think I need to go on to be honest, I wouldn't touch this with a barge pole. The construction too is a little weak made of thin sheet steel or ally possibly, this would result in less than desirable accuracy during printing although his first result doesn't look terrible. And the price I'd say is a little high for some so small and basic, $500, if it were $200 then maybe.
Mine does all this, isn't user friendly, but it's sturdy and accurate.
If you want help on a user friendly printer I'd be happy to point you in the right direction, but I know this will cost much more.
Avoid basically, there are better options that do all this and more.
There will be a learning curve even if you get the most user friendly printer, but I'm sure you can handle it mate.