I think this is a good summary of using LL as a replacement for DAS, we just got back from our first WDW trip without DAS and we made it work also, LL replaced FP+, which allowed us to book 3-4 longer line rides we knew would be a struggle to wait for, we did rope drop every day to get another “long line” knocked out, and with manageable crowds and chilly weather we had no issues at all related to my GFs health issues.
It worked for us in January, that doesn’t mean it will in July, but at least we now know we can still enjoy the parks in certain conditions.