I'm not seeing anything about gazan medics being sniped by IDF in this current conflict, Google isn't returning any results that match what you are describing, can you provide a credible source?
Given that the average urban combat that involves explosives has 90% civilian casualties the 61% civilian casualties that Israel reportedly caused is actually evidence that they are very selective with their targets, not indiscriminate. Going in to a well-prepared urban terrorist den without air support would have led to many IDF casualties and is therefore a non-starter.