Is it time to start calling out bad cyclists?

Seriously, i really don't want to sound confrontational here, i'm going to take it in good faith that you're not trolling and you genuinely want to know:

The pages/posts that have been linked to are really useful for you to read. I found them pretty interesting myself. If you care about finding out how to approach roundabouts, then you should be willing to take a few minutes to do so. The reason no-one here can give you an easy, simple, quick answer to your 'simple' question ... is that there isn't one. It depends. There are different ways to approach different roundabouts, in different conditions, on different days. BUT reading that stuff should help you think about it and therefore improve how you do it.

Hope that helps.

yes i actualy did want to know, thanks for not being a dick like the rest, so i guess i'll just keep using my common sense and do what i think the safest, seems to be the kind of anser anyway.

Part of cycle training is developing the skill to look behind and to do so safely, with control whilst picking up salient details.

There are quite a few cyclists who twitch their head round but appear to fail to observe that there is already a vehicle in the lane they intend to move into. Scary to watch.

soooo cycle training is being more observant, when im oredy very observant?