How bad is perfomance when using Airtable plugin as app's database?

Hey Bubblers! I’m building a project where I need to read and write data stored at an Airtable DB. When reading over the plugin’s documentation I came across this phrase that really worried me:

We don’t recommend using Airtable as your sole database because using your Bubble database will generally be more performant since it won’t require API calls.

I couldn’t find much information online related to this topic. I did some testing and page load seems to be affected when fetching 5K+ records at once (which will not likely be the case in my app). Is the app’s performance being affected in any other way? has anyone built a project and can assess if this approach is feasible/recommendable?

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