I personally think anyone trading altcoins this close to BTC halving is insane, but that's just my opinion, man.
I think a lot of bitcoin speculators will be badly burned in July, as everyone seems so sure the price is going to increase with the halving.
In reality, I expect the BTC price to plummet as miners abandon ship en masse.I do agree with you, however, that the delusion will certainly steal some thunder from the alt scene (at least at first).
I would have agreed with you before I saw the rise of Ethereum with 50% of bitcoins volume and reaching 1/6th of it's market cap. I'm not so sure that bitcoin can't go down at the same rate as alts go up under the right circumstances.