A monoculture will eventually fail, that is reason enough to keep alternatives.
If if there were some innovation with new coins, and not just a copy / paste of the old coins
well thats the thıng. theres all these copycats.
but ı suppose ıt ıs somewhat good because ıt wıll be lıke gold and sılver. you can use them both seperately sıde by sıde. you would use one for long term ınvestment and one for mıcro transactıons (bıtcoın ısnt great for small transactıons)