Go look at btc dominance and tell me more about a limited supply.
I don't understand the question.
BTC dominance have nothing at all to do with the price.
The relevance is, if someone wants to use crypto they are not forced to use bitcoin, and altcoins absorb market cap that bitcoin could have had, lowering bitcoin's price in the long run and also removing arguments about scarcity because crypto is anything but scarce now.
There will come a point when every single ERC20 hasn’t delivered on its roadmap and people will start to wisen up. As one example, the market is saturated with Storj copycats. You aren’t going to get people excited about decentralized storage anymore.
All “X on a blockchain” are shitty ideas except currency and tokens representing assets.
There are no decent competitors in the currency space except possibly XRB which has got nightmare scaling problems. ETH seems to have the tokens market sewn up. XMR is leading the privacy currency space. Lightning, if consumer friendly, will do away with the need for LTC.
I haven’t seen any convincing arguments about why VEN needs a blockchain and how they will stop corrrupt data being entered onto the chain. BCH, EOS and ADA are obvious scams, IOTA couldn’t untangle itself from a wet paper bag and I don’t need to discuss XRP, XLM or TRX.
There really isn’t anything else useful or helpful that I have seen anywhere in the cryptosphere. Happy to be told I am wrong and am missing things and for those things to be pointed out.