Yep, I completely agree.
Learning to use FG is a lengthy, frustrating process, but once you get it figured out it works quite well. At this point, my only serious complaint is that lighting, and to a lesser degree, line of sight, causes a lot of lag on maps.
There have been several moments where I have come close to switching to Foundry because it has some incredible tools. Foundry looks amazing with its animated maps, spells, and abilities. It also has the ability to do some things with sound and terrain that FG will likely never match. However, there are two major issues that keep me from pulling the trigger on Foundry:
1. To get the type of experience that I want from the platform requires the DM to install and maintain a huge library of modifications. That alone requires the DM to have some fairly strong knowledge of the code under the hood. Also, none of the mod authors abide by a standardized set of parameters. So, inevitably, there are constant conflicts between mods. Furthermore, as Foundry continues to evolve and the code changes, some mods just blow up and it's not uncommon when one blows up it takes other mods with it because they're precariously layered on top of each other. It's also an issue that some creators simply abandon their mods and they usually stop working after a client update. In sum, keeping Foundry working the way it's 'supposed' to is a huge chore and requires several hours of maintenance each week. I don't think you'll find anyone that can dispute that fact.
2. With a couple of extensions, the automation of FGU is second to none. All the fiddly calculations that bog the game down (particularly in combat) are automatically handled and nothing in Foundry even comes close. It's not perfect and never will be, but given how many complicated variables there are, it does extremely well.