"If the Church’s rules are followed to the letter, there would be few people at the communion rail."
The rules are not intended to deny Grace, but to discipline us to receive more. If followed "to the letter", there would be more receiving Communion because:
1 we'd would go to Church quite regularly
2 we'd go to Reconciliation quite regularly
3 we'd live in a State of Grace to receive Communion
4 we'd have more babies
5 we'd have more priests because families would have more babies
6 the more priests we have, the more available the Sacraments
Since many are not following the rules, most if not all are suffering by receiving less than what could have been if we had allowed the Holy Spirit to work through us more.
If followed "to the letter", there would be more receiving Communion because:
Great analysis.