I think there's a few reasons why RSI doesn't seem to be priced in. Here are some different RSI -> ASI scenarios:
ASI is misaligned and there's an existential event so money doesn't matter.
ASI is misaligned and something scary happens but humanity is in time for a major effort to pause via extreme measures. This likely leads to a large decrease in the market value of AI.
ASI is aligned and escapes and takes over humanity ushering in a machines of loving grace style world. In this world, pre-ASI money likely doesn't matter
ASI is aligned and does not have its own goals. It is total expert dominating and the lab captures nearly all economic value. Possibly money still matters, but also possibly the economy needs to be reorganized in a way where money doesn't matter.
ASI is aligned and does not have its own goals. However, there are multiple labs in competition with each other and the price of intelligence decreases drastically. In this world, money matters.
There are probably some other scenarios but these are a quick 5. I think that the most likely scenarios are the ones where money doesn't matter. This leads overall RSI impact to be relatively negligible.
At the margin, increased likelihoods of money not mattering encourage not investing in AI and instead getting increased quality of life in the period of time when money still matters.