Sure, but that just means they're creating a product for a specific market -- one whose area of expertise isn't accounting or finance. This is something we should encourage, rather than nitpicking the wording.
It would be like creating a niche programming IDE for people who don't understand the term "computer" or "programming" or "code."
In specialized communities there is a lot of gatekeeping just by their slang. If I can explain something in plain english without using numerous technical terms, I've mastered the first hurdle to make it more accessible.
Most people have some fixed recurring bills (insurance, rent, subscriptions, etc.), some variable recurring bills (utilities, etc.), standing payments like savings, and monthly spends like groceries.
For them (myself included) something that lets you simply input recurring expenses and your income and show a running tally is pretty much all that's needed, add some simple transaction tracking and you're there. Basically all you really want is two things:
1) Given $2000 at payday, how much of that is available to spend if $X is going towards known expenses.
2) The day before payday I have $Y left in my account. Where did I spend the $2000-$X?
If you don't have this, then you won't be able to work out where you spent your $X amount of money.
If I see 15 bucks each month going to "Spotify" I don't have to be a CPA to work out that I spend 15 bucks a month for Spotify...
You have just understood it, intuitively.