Their engineers know that "fun" is when that is challenging!
500 papers later that 99% of newbies have no idea about...: F****K!!!
They think someone will answer it in one post. lol
Imagine having a team of 50 master degree engineers who can just focus on spam prevention.
And then realize you are on the other side.
No reason to call it different than "sophisticated operation". For sure must be long term like decade long marathon.
It's fun to think what you're trying to create would be considered serious. Some people refer to it as "ambitious ventures".
When I tried for the first time I thought numbers matter. Forget numbers. They're only confirmation of all the stuff you do.
How many times you think of giving up... they do another update, they do another trick. But your setup becomes more and more strong. And at one point you have a setup stronger than 99.98% of people.
Compare it to typical goals like "$3 a day" or even "$100 a day". These are nothing compared to fully running infrastructure! Just looking at this build would boost serotonin.
It's like a complete RTX rig / computer for 7 year old kid.
As an adult the fun comes from engineering and playing more serious games.

All adults should be tasked to engineer something in their life. Mandatory!