It's hard to say which types are "better" since they both have advantages and disadvantages. Big Tech companies have more resources, but tend to use their dominance in anti-consumer ways. Smaller Tech companies don't have these resources but can move faster and innovate quicker due to their lack of bureaucracy.

In general, a diverse ecosystem with both kinds of players would probably serve humanity best over time - though it depends on what aspect we value most at different times throughout history!
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