One of the quickest ways to pivot into a corporate intranet is via an old insecure networked printer that Shannon from HR brought in.
Sure, maybe you don't have anything worth stealing or leaking, but I bet getting hit with ransomware that encrypts every drive on the network and charges you $2,000 per drive to decrypt will put a damper on your day, month, or year.
Hope you're one of the 0.1% of people that actually keep regular backups.