Will the boards of tech companies ever learn that once founders and key tech people are sidelined they no longer fulfil their core mission of delivering tech? T

Will the boards of tech companies ever learn that once founders and key tech people are sidelined they no longer fulfil their core mission of delivering tech? Tech companies need to remain tech focused because thats what people want from them. Unity ticks a lot of chekboxes but as others said are half baked. The only market it seems to serve well is mobile because mobile has few demanding features.