The point of the gear load out in this guide. Is to have as little grind as possible, but be viable at the same time. Can you improve my list while having less grind? Maybe. Its there to give some insight into possible load outs.
Things such as tod rings and 'epic' items take a long time to obtain. Old raid items can be difficult to obtain as well. As no one runs the raids anymore. Avithoul ring, being rare. Epic ring of the stalker can be difficult, due to the fact no one runs challenges anymore. The list goes on.