I bought the chair and I am 1.75m tall myself and always have it at the bottom. So it is clearly suitable for tall people.
The faux leather version is very well made. I have nothing to complain about.
If you don't spend several hours in the shade at 35 degrees with your bare skin on it, there has been nothing to complain about in terms of breathability.

I am about 186 tall and the chair still has room to go up. I can move the chair up so far that my feet no longer touch the floor and the backrest towers over me.

The finish and breathability of the material is good - the durability is not. We have two - one leather, one faux leather - and both have torn and split along the seams.

You can order replacements though - I am ordering bases and gas struts - not cheap but will keep the chair working.

I have had the chair for several years now, it is still very breathable (synthetic leather variant).

What about the scooters, are these scooters also suitable for hard floor tiles, so it doesn't leave marks on the tiles over time or even scratch them.

What about the shoulders, I am worried that they will be "squeezed" by the side rests, making ergonomic sitting impossible? Has anyone had any experience with this? (I am 193 cm)

Noblechairs offers a shortened damper but unfortunately not at Digitech.