The Bitcoin price certainly affects many things. It can help us gauge adoption along with other metrics as well as the sentiment of people who are currently invested.
Bitcoin is not a get rich quick scheme. It is the currency of the internet designed as a super hard form of money to challenge many status quos.
Even if we were to pay more attention to the price. Many of the people worrying don't know the basics of TA. I'm here to tell you that if you own any amount of BTC you are riding a rollercoaster that is affected by adoption, politics, whales and many other factors out of your control. The one thing you can count on is the math, The fact that is was the first, the 21million cap, it's security, and the torrent of frustration it brings older businesses who have grown lazy and abuse the masses(banks).
From a TA standpoint (i'm a noob with a background in music but i've been studying and doing paper trades for years now). Bitcoin has been consolidating for a few months after a pullback from a 1 year high. The fact that it's been trading in the range its at means that the whales and traders who bought in late can't affect the die hard HODLERS who were already in the market in early 2019. You can find articles explaining the demographics of Bitcoin holders. Those who bought in at 10k+ were the ones selling.
Other than that we have some whales playing in the ocean.
Remember this is about change and technology.
If you believe in the ideals money is more than likely to follow.
Be well!
For traders price is everything but if you are a long term hodler it is best that you should not worry about the price and you can just monitor your investment either weekly or monthly is enough.
As you have said, bitcoin price is affected by many factors which is out of our hand especially if we are just a small investors but if you are wise then you can just ride the flow of the market and you will surely profit in the end. Worrying will not bring us profit.