Earlier quoted context omitted.
Why are their products that good? What is it that makes content creators publish on youtube rather than on other platforms. I'd argue that a huge part of this is the fact that youtube gives creators more visibility than other places, and since google is able to leverage search in addition to their advertising business to bring more eyes to youtube is the reason for the platforms success. I think your confusing google…
There are Google products which are inferior compared to their competitors, and usage rates show that as well: YouTube Gaming/YT livestreaming are basically platforms that only host people banned from Twitch.
They tend to release great products, their problem is that they just don't always do it first.