it is not just that people focus on the price, it is because price is a part of bitcoin and since it is quite volatile you always see a lot of people talking about it and try to analyze these changes.
as for the relationship between the price and the technology, I have to say the technology is the only reason why the price continues going up because bitcoin is one of a kind without any similar counterpart and the utilities it offers because of its technology are useful and as a result it continues getting adopted more and more, and with increase of adoption (demand) the price rises.
If the price is only driven by technology, why are there tons of what we call shitcoins that have pretty much the same tech or might even surpass the capacity of Bitcoin in some matters, and yet they are worthless?
It is partially about technology, for sure, but I bet tyre are many people who don't care about it at all and simply invest because of expecting profit. These people cause the price to go up as well, don't they?
And there are also people who prefer technology over bitcoin, so they utilize Blockchain as much as possible, while despising real cryptocurrencies as such.