what can somebody actually do with an ip address?

i keep seeing very conflicting stuff regarding this

some people are like "If somebody has your ip they can connect to your network!! they can hack you and install malware!!! find where you live! They could steal ALL your info and ruin your life!!!!11!1!"

and others say "they could find your internet provider and city, thats basically it"

and some say "lol literally nothing"

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so im honestly kinda really confused, what can somebody actually do with an ip?

submitted by /u/fumosquared
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from hacking: security in practice https://ift.tt/1D6eFvE