Scraping fb group data is tough, but Scrapy with some custom middleware for handling cookies and headers has worked for me. Also, using residential proxies instead of datacenter ones can help avoid blocks.
And yeah, legality is iffy. If it’s public data and you’re not breaking any terms, you’re probably okay. But FB is super strict, so be careful.
And yeah, legality is iffy. If it’s public data and you’re not breaking any terms, you’re probably okay. But FB is super strict, so be careful.