I strongly believe that companies are genuinely interested in getting critical feedback. At the very least, it should be part of their corporate survival instinct.

Non vitae sed scholae discimus ("Thus we learn our lessons, not for life, but for the lecture-room"). 2000 years ago Seneca wrote this to one of his students.

Setting up an OpenVPN server on my Netgate SG-3100 router was a piece of cake thanks to the pfsense GUI, but seting up the Ubuntu client requires sadly still the command line.