>How does it matter if a company buys or builds new projects?

How does it not matter? It's like convincing yourself that since you can order delivery food you're a chef. Being able to produce new ideas that appeal to people is the sought after skill Microsoft is literally paying for with money from their entrenched positions that are failing to make anything new and appealing. Buying things is a skill all companies have and Microsoft is not skilled for spending money to buy ideas they can't come up with