The person the created dogecoin did it in a few hours without really considering anything really technical about the blockchain, it was created initially as a joke and it has now grown to become one of the top coins in the market based on pure speculation and no fundamental characteristics.
This is how easy it is to create cryptocurrencies and scammers have recognized this and are utilizing this to the fullest. This is why the blockchain market is flooded with cryptocurrencies that have little to no value, while other cryptos are just pure scam
Was supposedly to be a meme coin but it did turns out to be a good one after all the years and its been existing almost the same on when Bitcoin had existed or simply means it is here for a while now.
People had recognized its usage specially its cheap and almost instant when it comes to transaction confirmation.