Definitely a long term believer in Arbitrum. The thing that sold it for me was the TVL compared to other much larger cap chains (although ARB is an L2 on ETH)
Go and check out Defi Llama (https://defillama.com/chains - feel free to google it first if you want, or enter it in your own browser for opsec reasons as needed)
$2.96bil TVL on ARB compared to $2bil on Solana as an example
In terms of MC, ARB (#4 spot on TVL) is approx $2.5bil at the moment, where Solana is $50bil (and #5 on the TVL rankings too!). Huge arbitrage in a bull run in my opinion and the narrative catches up.
ARB is the number 4 spot for TVL on chains, with BSC / BNB #3, Tron #2, and ETH #1. Just comparing to BSC and Tron for example there's a 1.33x increase in TVL that BSC / BNB holds above ARB, and a 3x difference in Tron.
But.... the marketcaps are vastly different
ARB at 2.5bil
BSC / BNB at 54bil
TRX at 11.5bil
I'm no super in depth defi guy, but I feel that during a bullrun, some of these points can greatly lead to interest and narratives that are shilled re: ETH's little bro with cheaper fees, shitloads of TVL, and comparison to the bigger chains.
Like everything though in this space though, we all just speculate on what may or may not go up or down
Sometimes it just takes removing your brain and going with the latest meme coin or whatever, but sometimes a small bit of research like this can also pay dividends