But having worked at various startups and enterprises, it is very common for lots of money and resources to thrown at projects and for little or no progress to be made.
Money might be a necessary condition but it’s definitely not a sufficient one. See Microsoft teams.
Again I know nothing about Matrix, but I found your comment about UX concerning. UX is a problem that is almost immune to money. An extremely clear vision is almost always the bottleneck. Money can always help with adding features or performance or scaling, but I feel like it doesn’t usually fix UX. Hope I’m wrong.