Is bitcoin going to be instant and free like XRB? No.
Is bitcoin going to support smart contracts like ETH and NEO? No.
Is bitcoin going to pay you for holding it like NEO, VEN, XLM? No.
Is bitcoin going to pay you exchange dividends like KCS and COSS? No.
Is bitcoin going to be completely anonymous like XMR? No.
Is bitcoin going to have the business partnerships of VEN, ICX, WTC, REG, OMG?
Lightning network will it make it a bit faster and a bit cheaper. There's a hell of a lot more to blockchain technology than being a bit faster and a bit cheaper.
what a great answer, this is the kind of quality posts i expect to see in this forum, thanks for taking the time
For no bitcoin never making altcoin useless because frankly bitcoin gives more opportunities to all altcoin like in there differences in value and price, since there's a lot of user of crypto are cannot afford to buy bitcoin, altcoin are develop but in a cheaper in price. Also many people are choose altcoin because even its cheaper but it is profitable, besides altcoin right now are become popular because of the other one that rises so high its value, so because of that it affect the to altcoin to become in demand.