Block builders, bundles, and these things—frankly, retail investors just need to know that "they might not be trading directly on the public order book": when you click confirm, you might be front-run, sniped, or routed around; slippage and execution prices are sometimes not due to your shaky hands, but just how the process works. If you want to dig deeper, of course, you can look at a bunch of charts, but personally I care more about not rushing in with market orders blindly, not forcing trades when liquidity is thin, and if necessary, using limit orders or splitting orders, or simply waiting.

Also, recently someone was complaining that the tagging system of on-chain data tools is lagging and might even mislead people… I also increasingly treat those "smart money" tags as references, not as navigation. When the market reflects itself, the mirror itself can also be foggy.