The most common believe about this instrument circulating on internet is that bass guitar is an easy instrument to learn and people playing it do it only because they struggle to play the guitar at a decent level.
That is not true, although there is a grain of truth in it. It is easier to start playing the bass guitar at a reasonable level than it is on electric or acoustic guitar.
You can join a band quicker and keep your band members happy even if your skills are basic.
If, however you want to do more than just provide the minimum bass guitar becomes a challenging but very rewarding instrument.
Every single student of mine who switched from guitar to bass was very surprised to discover how interesting the bass lines can be once they fine-tuned their ears to listen for it in their favourite music.