There are plenty of people (majority of Christians) whom believe in salvation through grace, but don't believe in OSAS.
I am sorry But I can not agree.
You cannot believe in Grace and think that eternal life must be earned or else it can be lost.
Even within the OSAS camp: evidence of that change is part of the theological package. If somebody claims to be a saved Christian in your own congregation, but then either falls majorly away and/or is shown to be partaking of some horrible sin, then the most commonly people will say is "well that person wasn't ever really saved", because of those horrible fruits.
Well John says that if people depart they were never of us, So I guess many churches take what John said as true, And do not think a person was born of God God failed. and the person ended up leaving, hence losing salvation
Everyone believes in salvation through the gift of God's grace.
again I can not agree
Everyone CLAIMS this is what they believe, But saying one does and actually believing it are two different things..
Look at the people in James 2. They CLAIMED to have faith, but did they? We can claim all we want. It does not make it true
Everybody believes that change of heart should not just be a talking thing, but have real visible changes in action & character. It's much better to take the time to try to understand each other and the naunces (which do vary) than strawman arguments.
Here is the difference
OSAS people believe there WILL be these changes Because God does not fail. It is not required, it is a natural occurrence, True faith works. It is not dead. A dead faith never saved anyone
NOSAS people claim their just MAY be these changes, thus they are required. failure to do so will result in a loss of salvation.