[csomar]

Introduce a vapid company(ies) to the index that will have no future cash-flow and withdraw the liquidity to these "investments". If your index fund has SpaceX in it, Elon musk has basically funneled money out of your retirement account to his insanity rides.

If you think SpaceX has even a minuscule chance of succeeding then this conversation doesn't make sense to carry on.

[eru]

There's like a few thousand companies in the index my ETF is following. I don't have opinions on every last one of them. I just (automatically) follow the market consensus.

Keep in mind that index funds are generally really, really keen to lend out their shares to short sellers, too.