Good to see this. The gauges do tend to reflect the often recommended 'equal tension sets' 45 60 80 105 and 40 55 75 100.
The 5 string sets seem to have a looser B looking at the gauges, although of course it's the mass that counts. I'm assuming an equal tension B was considered too much of a shock to include (105 140 or 100 135), understandable since loose Bs are so popular.
No the tone of a string has nothing to do with pitch. If you tighten a strong to get a brighter sound it will then be above the desired pitch.