Tech companies have saturated their businesses and are looking for both revenue and profit. It is very unlikely that they have made products with enough products for everyone and need to expand their business into other areas.
While tech companies are entering each other's businesses, crypto projects are actively working together to provide the best user experience. Let's look at cross-chain, Subchain, DEFI, Oracle, multi-coin wallet ... the projects are systematically supporting each other and creating a vast blockchain ecosystem.