No. Claiming this underplays how appalling Stalin was. Lenin purging Mensheviks AFAIK, meant losing party membership and maybe emigrating to continue your political project, whereas Stalin's Great Purge killed a million people. This isn't a defence of Lenin, it's just that Stalin was on a different level entirely.
> Their biggest effect was external: most welfare systems were started in the West in response to the observation that it was a bad look for capitalism
No. Claiming this underplays how appalling Stalin was. Lenin purging Mensheviks AFAIK, meant losing party membership and maybe emigrating to continue your political project, whereas Stalin's Great Purge killed a million people. This isn't a defence of Lenin, it's just that Stalin was on a different level entirely.
> Their biggest effect was external: most welfare systems were started in the West in response to the observation that it was a bad look for capitalism
What? That's nonsense.