Irrespective of his concerns as an individual- from a pure usability perspective: any waiting of any sort that does not signify some valuable piece of information is negative to user experience. We have seen time and time again that web speed optimizations show significant positive change in how people use or abandon different web tasks.
There may be some abhorrent business perspective that uses this loading time as a "this app is so complicated it takes minutes to load" type thinking- but this is pure snake oil. Ultimately being able to use a tool as soon as the need strikes and at a speed as close to your own thoughts as possible is the best user experience. Any decisions that are made (8 minute load time) based on technology contraints tend to impact user experience negatively.
There may be some abhorrent business perspective that uses this loading time as a "this app is so complicated it takes minutes to load" type thinking- but this is pure snake oil. Ultimately being able to use a tool as soon as the need strikes and at a speed as close to your own thoughts as possible is the best user experience. Any decisions that are made (8 minute load time) based on technology contraints tend to impact user experience negatively.