Buyers are happy to buy bitcoins from sellers because they see chance to get profit and otherwise, sellers are happy because they either take profit by selling their bitcoins or luckily cut loss or avoid loss before a possible market crash.
Sellers are indeed joyful when they sell and make some little profits until they sell and instead of the price to fall for them to rebuy again it ended up even skyrocketing to a length that they will find it difficult to buy back since the price didn't DIP as they so wished for. This is why trading is shit because at a time when the market is favorable with the strategy of buying low and selling at highs, when an opportunity does not surface again such as a price DIP for a rebuy they finally end up not buying in the end which means they will remain stagnant and disoriented. This is why accumulating and hodling is the sure way to go because since you are hodling for a longer time, it will grant you the opportunity to acquire as much bitcoin in your portfolio (even buy at DIPs) coupled with the profits that comes along with it. Let's take El Salvador for example, they made bitcoin a legal tender in 2021, then fast forward to late 2024 when the price of bitcoin hit $100k, they already got doubled of the amount they acquired in bitcoins even when it's not up to a cycle since they started hodling. Isn't that a good investment practice of buying and hodling for future growths?
There's no need to panic concerning that if the person is doing DCA, people don't really understand how effective the DCA is and that's why most of them would always want to wait for a dip before buying, yes the dip is a good opportunity to buy cheaper but when you do the DCA, whether the price dip or not is not really something to bother about and the person can still seize an opportunity to buy when the market drops too.
I see your statement as one of the negative side of waiting for the dip before buying Bitcoin. However, I have nothing against trading cause it's people choice but left for me I'll never venture into such due to it's high risk, I'll buy and hodl bitcoin and use DCA strategy to maximize my profits, it's better to have patience and gain in future than to hustle for quick money and lose out completely,
Getting panic only applicable for those people who pay much attention on prices and do trades. But if they are for long term then execute DCA then provably that they don't care about the price currently Bitcoin stands.
And if they see the beauty of buying Bitcoin then also just HODL it for sure they would say that they are getting more lesser stress compare if they are continuous monitoring on the market and try to seek for prices to DIP since nothing will happen to them if they always look for those short term scenery. That's why it always advisable to always HODL Bitcoin since this is really the best option to do with this asset. Although not everyone have patience to do it but if they try to commit and have patience maybe they would gain more better result compare if they trade their Bitcoins.